Patent · US Active

Sound suppression apparatus

US10458589B2 · kind B2 · utility

4Cited by

17References

32Claims

0Family size

Assignee

AAF Ltd · GB

Inventors

James Matthew Hill · Cramlington, GB
Colin Alexander Malecki · Cramlington, GB
Paul Timothy Williams · Cramlington, GB
Mats Abom · Järfälla, SE
Raymond L. Kirby, Jr. · Vandalia, US

Key dates

Filing date	Jul 15, 2015
Grant date	Oct 29, 2019
Priority date	—
Expiry date	Mar 11, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF24F2013/245
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A sound suppression apparatus for installation inside a gas transport duct is provided. The sound suppression apparatus comprises a resistive sound-absorbing element (110) and a housing providing a reactive sound-attenuating element (130) communicating with a surrounding of the apparatus via opening in an outer surface of the housing. An outer surface of the sound suppression apparatus comprises an outer surface of the resistive sound-absorbing element and the outer surface of the housing. A gas transport duct comprising the sound suppression apparatus is also provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.